Re2: callout patch #2 - make callouts per-cpu and MP safe.

[Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx>]

    The new callout_*() code has been committed, including making the call
    to callout_init() mandatory [though it won't panic if you don't, it will
    complain].

					-Matt
					Matthew Dillon 
					<dillon@xxxxxxxxxxxxx>